Problems associated with the injection of a high-energy neutral beam into a plasma
Problems associated with the injection of a high-energy neutral beam into a plasma
复制标题
与将高能中性束注入等离子体相关的问题
DOI：
10.1088/0029-5515/13/2/010
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发表时间：
1973
期刊：
影响因子：
3.3
通讯作者：
M. J. Houghton
中科院分区：
文献类型：
--
作者：
J. Cordey;M. J. Houghton
本文讨论了高能中性束加热环形等离子体的几个问题。高能粒子在背景等离子体上经典地慢下来，这些粒子的分布函数通过求解简化的Fokker-Planck方程来评估为时间的函数。这个分布的稳定性，然后检查之前和之后，它达到其平衡配置的时间。发现在这两种情况下，除非注入角几乎平行于场线，否则高能分布是不稳定的。最后讨论了中性束注入产生的电场问题。
Several problems associated with the heating of toroidal plasmas by high-energy neutral beams are discussed. The high-energy particles slow down classically on the background plasma and the distribution function of these particles is evaluated as a function of time by solving a simplified Fokker-Planck equation. The stability of this distribution is then examined both for times before and after it reaches its equilibrium configuration. It is found that in both cases the high energy distribution is unstable unless the angle of injection is almost parallel to the field lines. Finally, the problem of the electric field which is produced by an injected neutral beam is discussed.